Giant Rail Helmet Colour:Phantom Green and sized-down cockpit components make

and sized-down cockpit components make for smooth pedalling and easier handling

It also enables the conversion of (small / large) transmission ratios

Low teeth simply can’t move the chain effectively left or right when you change gear

and those who’ve just been bitten by the cycling bug

Giant Rail Helmet Colour:Phantom Green and sized-down cockpit components makeGiant Rail Helmet Created with an all new head form for a more universal fit and the super slim Mips Air Node integrated rotational impact protection system, the third generation Rail is Giant's most comfortable and lightweight trail helmet yet. Boasting a four star safety rating from the world renowned Virginia Tech Helmet Safety lab, the Rail also features an accessible, four position, snap in height adjustment system, increased ventilation, and